David-Alexandre C Gros

Insider

First SEC filing: Sept. 15, 2020 · Latest: Sept. 15, 2020

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 16 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

16 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 31, 2026	ELDN	A	354,454	—	—	363,454 Direct	+3938.38%	Acquired	(price as of 2026-08-20)
July 31, 2026	ELDN	F	194,791	$3.38	$658,394	168,663 Direct	-53.59%	Disposed	4.4% (price as of 2026-08-20)
Jan. 10, 2025	ELDN	A	66,500	—	—	66,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 10, 2025	ELDN	A	600,000	—	—	600,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 21, 2024	ELDN	A	1,015,743	—	—	1,015,743 Direct	—	Acquired	(price as of 2026-08-20)
June 13, 2024	ELDN	A	517,454	—	—	517,454 Direct	—	Acquired	(price as of 2026-08-20)
May 1, 2023	ELDN	A	383,299	—	—	383,299 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	ELDN	A	153,600	—	—	153,600 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	ELDN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2022	ELDN	A	108,000	—	—	108,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 20, 2021	ELDN	P	2,000	$4.48	$8,960	9,000 Direct	+28.57%	Acquired	-21.2% (price as of 2026-08-20)
Aug. 17, 2021	ELDN	P	4,000	$6.21	$24,840	7,000 Direct	+133.33%	Acquired	-43.2% (price as of 2026-08-20)
June 9, 2021	ELDN	P	3,000	$8.01	$24,030	3,000 Direct	—	Acquired	-55.9% (price as of 2026-08-20)
Sept. 11, 2020	ELDN	A	18,278	—	—	18,278 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 6, 2017	NBIX	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2017	NBIX	A	350,000	—	—	350,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 20, 2016	ALNY	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 18, 2015	ALNY	A	15,012	—	—	15,012 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2015	ALNY	A	140,000	—	—	140,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Jan. 10, 2025	ELDN	Restricted Stock Units	Common Stock (66,500)	—	—	66,500	Acquired
Jan. 10, 2025	ELDN	Stock Option (right to buy)	Common Stock (600,000)	$4.04	Jan. 10, 2035	600,000	Acquired
Nov. 21, 2024	ELDN	Stock Option (right to buy)	Common Stock (1,015,743)	$2.30	May 1, 2033	1,015,743	Acquired
June 13, 2024	ELDN	Stock Option (right to buy)	Common Stock (517,454)	$2.30	May 1, 2033	517,454	Acquired
May 1, 2023	ELDN	Common Stock (right to buy)	Common Stock (383,299)	$2.30	May 1, 2033	383,299	Acquired
Feb. 1, 2023	ELDN	Stock Option (right to buy)	Common Stock (153,600)	$3.97	Feb. 1, 2032	153,600	Acquired
Feb. 1, 2023	ELDN	Stock Option (right to buy)	Common Stock (300,000)	$3.08	Feb. 1, 2033	300,000	Acquired
Feb. 1, 2022	ELDN	Stock Option (right to buy)	Common Stock (108,000)	$3.97	Feb. 1, 2032	108,000	Acquired
Sept. 11, 2020	ELDN	Stock Option (Right to Buy)	Series X1 Convertible Preferred Stock [F2] (18,278)	$500.00	Sept. 11, 2020	18,278	Acquired
Feb. 6, 2017	NBIX	Restricted Stock Option	Common Stock (25,000)	—	—	25,000	Acquired
Feb. 1, 2017	NBIX	Stock Option	Common Stock (350,000)	$42.55	Feb. 1, 2027	350,000	Acquired
Dec. 20, 2016	ALNY	Stock Option (right to buy)	Common Stock (25,000)	$42.22	Dec. 20, 2026	25,000	Acquired
Dec. 18, 2015	ALNY	Stock Option (right to buy)	Common Stock (15,012)	$88.95	Dec. 18, 2025	15,012	Acquired
June 8, 2015	ALNY	Stock Option (right to buy)	Common Stock (140,000)	$129.97	June 8, 2025	140,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

NBIX

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$513,221	—	—	—	—	—	—	$11,357,203

ALNY

PFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$8,313	—	—	—	—	—	$8,541	$16,854
2016	$432,300	$100,000	—	—	$138,336	—	$1,610	$1,293,204
2015	$241,106	$200,000	—	—	$95,819	—	$508	$10,168,230

ELDN

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$613,196	—	$268,660	—	$349,522	—	$21,690	$3,216,148
2024	$582,269	—	—	—	$464,277	—	$21,390	$5,644,970
2023	$559,478	—	—	—	$286,383	—	$20,490	$2,553,153

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.